Doctor profile · Federal record

Dr. Mitchell Manthey, MD

Gastroenterology Physician (CMS: Gastroenterology) · Green Bay, WI

  • NPI 1942226717
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2845 Greenbrier RD, Suite 140
Green Bay, WI 543116519
(920) 288-8100
fax (920) 288-8153
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 10, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #33182
Medicaid
WI #31984100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942226717. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
111
Distinct HCPCS
5
Medicare allowed
$14,151
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 40 40 $219
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 29 29 $57
45380 Biopsy of large bowel using a flexible endoscope 17 17 $126
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 13 13 $121
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 12 12 $4

In context: peer comparison

Among 7 peers in Green Bay Gastroenterology Physician, average services per provider: 28. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$83
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Olympus Corporation of the Americas 1 $82.51

By nature of payment

Food and Beverage
$83

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
598
Patients
321
Total drug cost
$30,810
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 197 91 $2,604
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 128 128 $3,041
Omeprazole Generic 94 46 $1,253
Rabeprazole Sodium Generic 47 25 $2,229
Famotidine Generic 32 20 $636
Esomeprazole Magnesium Generic 22 0 $1,017
Dicyclomine Hcl Generic 20 0 $369
Sucralfate Generic 14 0 $1,080
Budesonide Dr (Budesonide) Brand 11 0 $1,487
Linzess (Linaclotide) Brand 11 0 $5,886

Frequently asked questions

Auto-generated from federal data
What is Dr. Mitchell Manthey's medical specialty?
Dr. Mitchell Manthey practices Gastroenterology Physician in Green Bay, WI.
Where does Dr. Mitchell Manthey practice?
Dr. Mitchell Manthey practices at 2845 Greenbrier RD, Green Bay, WI 543116519. Office phone: 9202888100.
What is Dr. Mitchell Manthey's NPI?
Dr. Mitchell Manthey's National Provider Identifier (NPI) is 1942226717, issued by NPPES.
Does Dr. Mitchell Manthey accept Medicare assignment?
Yes. Dr. Mitchell Manthey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mitchell Manthey commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.